#define _CRT_SECURE_NO_WARNINGS
#include<iostream>
#include<string>
using namespace std;
//class Base {
//};
//
//
//class Derive : public Base {
//};

class Base {
public:
	string id;
};

class Base1 : public Base {

};
class Base2 : public Base {

};

class Derive:public Base1,public Base2{

};


int main()
{
	/*Base b;
	Base& b1 = b;
	Base* b2;*/
	Derive d;
	//d.id = 

	/*b = d;
	b1 = d;
	*b2 = d;*/

	return 0;
}